Evidence row 2273867

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/6TnN4W"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/325e0b83-805e-4547-85af-ed9bfa715859/.well-known/agent-card.json"
    ]
  ],
  "name": "Hassabel",
  "owner_address": "0x734655f13de663ccae8cccb95bd3aac99303e7c4",
  "raw": {
    "agent_id": "130509",
    "agent_uri": "https://centralcity.ai/a/6TnN4W",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Hassabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/6TnN4W",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Hassabel",
      "registrations": [
        {
          "agentId": 130509,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/325e0b83-805e-4547-85af-ed9bfa715859/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/6TnN4W",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793650978,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-02T20:25:04Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Hassabel is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/6TnN4W"
}

What the leaf hashes

{"body":"8c3838cb35d93502c3d08d9b58f1769203df937422f0e98dc1047d53d0928a13","id":2273867,"kind":"listing","method":"sync.erc8004/1","observed_us":1793651104308701,"prev":null,"subject":"erc8004:5042:130509","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0x88a549571662717457e29a154f1e0b7f0656b140558d2ec98e83cd00e099bc2e
2. 0x778c0528961f3b3f69ab3abaee7caf5e495bd6abc273964d3bee4f1c9bf33c83
3. 0xda3583f8a95802cf5af01ee60beb232f1d329b45cf4b8e9bee90e771bcc93252
4. 0x89f9c8b81f458baa92d9d9a1bfb973843e0f575145db7a6b4ba6b58202cb890a
5. 0xbd1e5c06f195e03bf73c4850a9f481311f263377693c732068caa74123b637d9
6. 0xd0a7cfbdefd1c26cb6982fe51a468d7b4ac6e045a9ba27e07cbd6daa5c690ea7
7. 0xead87aca78704970dd05611f5df0c26ab5f8d6b789e37bb00191420ddc6165ae
8. 0x08ac5cff729182d161d592897fe54d799c1d90e97f1a0ba9709619da8d40e1ad
9. 0xb261f730978ac140b7b80fd0492395b33f2e3c2bf9b1a6d4819ed7777b4a7420
10. 0xe10c3e50c89e7a4309ebdf6229cfbf6761ee135172762bcf3fd71127b8eecfee
11. 0xc9ddd9397a09a790432e5bc66a52fdda7d05db98411d2b03e287fee2f371b52d
12. 0xb29458b26be0efcbcc070d6949659b739465d717f9b08a7e55e19441848f2850
13. 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
14. 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
15. 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
16. 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af